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How the single threaded non blocking IO model works in Node.js
...proceed processing the request from there. Note that this will necessarily mean you'll be on a different stack frame from the one that originated the request to the OS as the latter had to yield to a process' dispatcher in order for a single threaded process to handle new events.
The problem with t...
RabbitMQ / AMQP: single queue, multiple consumers for same message?
...ot if the consumers are on the same queue. From RabbitMQ's AMQP Concepts guide:
it is important to understand that, in AMQP 0-9-1, messages are load balanced between consumers.
This seems to imply that round-robin behavior within a queue is a given, and not configurable. Ie, separate queues ar...
Should I use px or rem value units in my CSS? [closed]
... of the picture. Just because a browser is set to 16px by default, doesn't mean any user can't change their preferences to 24px or 32px to correct for low vision or poor visibility (e.x. screen glare). If you base your units off of rem, any user at a higher font-size will see a proportionally larger...
Sankey Diagrams in R?
...ms. Here you can find an example. I also added a screenshot so you have an idea what it looks like.
# Load package
library(networkD3)
# Load energy projection data
# Load energy projection data
URL <- paste0(
"https://cdn.rawgit.com/christophergandrud/networkD3/",
"master/JSONda...
Get index of selected option with jQuery
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@Guffa Any idea as to why the selectedIndex doesn't start from 0 with the first option?
– adamj
Mar 25 '16 at 23:27
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Sublime Text 3, convert spaces to tabs
...reformat your question to make that more explicitly obvious? I missed your meaning, so others might, too.
– angerson
Mar 20 '14 at 14:05
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Inline labels in Matplotlib
...abellines is that properties related to plt.text or ax.text applies to it. Meaning you can set fontsize and bbox parameters in the labelLines() function.
– tionichm
Jul 4 '19 at 14:00
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What is the best (and safest) way to merge a Git branch into master?
...des a backup against your local drive failing or if you don't have another means to do a backup.
– Eric
Feb 13 '17 at 18:02
8
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ConcurrentHashMap vs Synchronized HashMap
...read2 wants to perform put operation on segment 4 then it is allowed here. Means, 16 threads can perform update(put/delete) operation on ConcurrentHashMap at a time.
So that the waiting time will be less here. Hence the performance is relatively better than synchronisedHashmap.
...
MySQL - ORDER BY values within IN()
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SELECT id, name
FROM mytable
WHERE name IN ('B', 'A', 'D', 'E', 'C')
ORDER BY FIELD(name, 'B', 'A', 'D', 'E', 'C')
The FIELD function returns the position of the first string in the remaining list of strings.
However, it is much ...